Air purifier



1. Air purifier

1.1 : Perspective

1.2 : Front

1.3 : Back

1.4 : Left

1.5 : Right

1.6 : Top

1.7 : Bottom

1.8 : Reference

The present design is an air purifier. Reproduction 1.8 shows the air purifier in a state of use. The broken lines and areas within the broken lines depict portions of the air purifier that form no part of the claimed design. 

CLAIM The ornamental design for an air purifier, as shown and described. 